TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 474 of 1170
11-145. UPPER LITTER RACK STRAP AND RING REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Applicable Models M997, M997A1, M997A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Two lockwashers (Appendix G, Item 135) Materials/Parts (Cont'd) Two plain-assembled nuts (Appendix G, Item 201) Two capscrews (Appendix G, Item 9) Two solid rivets (Appendix G, Item 270) Manual References TM 9-2320-280-24P Equipment Condition Remove duct assembly (para. 4-103). TM 9-2320-280-20-3 Change 2 11-212.1 1. Remove two capscrews (4), lockwashers (3), and strap bracket (2) from roof (1). Discard lockwashers (3). 2. Remove strap (5) from upper litter rack (6). NOTE • Some vehicles may have capscrews and plain-assembled nuts instead of rivets securing the ring assembly. • For replacement of rivets, refer to para. 10-66. 3. Remove two rivets (8) and ring assembly (9) from upper litter rack (6). 1. Install ring assembly (9) on upper litter rack (6) with two capscrews (7) and plain-assembled nuts (10). 2. Install strap bracket (2) on roof (1) with two lockwashers (3) and capscrews (4). Tighten cap- screws (4) to 10 lb-ft (14 N•m). 3. Connect strap (5) to upper litter rack (6) and tighten strap (5) to support upper litter rack (6). b. Installation a. Removal FOLLOW-ON TASK: Install duct assembly (para. 4-103).